diff options
Diffstat (limited to 'meta-xilinx/meta-microblaze/recipes-devtools/gdb/gdb/0018-Fixed-MB-x-relocation-issues.patch')
| -rw-r--r-- | meta-xilinx/meta-microblaze/recipes-devtools/gdb/gdb/0018-Fixed-MB-x-relocation-issues.patch | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/meta-xilinx/meta-microblaze/recipes-devtools/gdb/gdb/0018-Fixed-MB-x-relocation-issues.patch b/meta-xilinx/meta-microblaze/recipes-devtools/gdb/gdb/0018-Fixed-MB-x-relocation-issues.patch new file mode 100644 index 000000000..84a4d3160 --- /dev/null +++ b/meta-xilinx/meta-microblaze/recipes-devtools/gdb/gdb/0018-Fixed-MB-x-relocation-issues.patch @@ -0,0 +1,114 @@ +From 0868dedda1b7b8112870dcc69f887d32a51b94b6 Mon Sep 17 00:00:00 2001 +From: Nagaraju Mekala <nmekala@xilix.com> +Date: Fri, 28 Sep 2018 12:04:55 +0530 +Subject: [PATCH 18/52] -Fixed MB-x relocation issues -Added imml for required + MB-x instructions + +--- + bfd/elf64-microblaze.c | 68 ++++++++++++++--- + gas/config/tc-microblaze.c | 152 +++++++++++++++++++++++++++---------- + gas/tc.h | 2 +- + 3 files changed, 167 insertions(+), 55 deletions(-) + +Index: gdb-9.2/bfd/elf64-microblaze.c +=================================================================== +--- gdb-9.2.orig/bfd/elf64-microblaze.c ++++ gdb-9.2/bfd/elf64-microblaze.c +@@ -1488,8 +1488,17 @@ microblaze_elf_relocate_section (bfd *ou + relocation -= (input_section->output_section->vma + + input_section->output_offset + + offset + INST_WORD_SIZE); +- bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ unsigned long insn = bfd_get_32 (input_bfd, contents + offset +endian); ++ if (insn == 0xb2000000 || insn == 0xb2ffffff) ++ { ++ insn &= ~0x00ffffff; ++ insn |= (relocation >> 16) & 0xffffff; ++ bfd_put_32 (input_bfd, insn, + contents + offset + endian); ++ } ++ else ++ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ contents + offset + endian); + bfd_put_16 (input_bfd, relocation & 0xffff, + contents + offset + endian + INST_WORD_SIZE); + } +@@ -1580,11 +1589,28 @@ microblaze_elf_relocate_section (bfd *ou + else + { + if (r_type == R_MICROBLAZE_64_PCREL) +- relocation -= (input_section->output_section->vma +- + input_section->output_offset +- + offset + INST_WORD_SIZE); +- bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ { ++ if (!input_section->output_section->vma && ++ !input_section->output_offset && !offset) ++ relocation -= (input_section->output_section->vma ++ + input_section->output_offset ++ + offset); ++ else ++ relocation -= (input_section->output_section->vma ++ + input_section->output_offset ++ + offset + INST_WORD_SIZE); ++ } ++ unsigned long insn = bfd_get_32 (input_bfd, contents + offset +endian); ++ if (insn == 0xb2000000 || insn == 0xb2ffffff) ++ { ++ insn &= ~0x00ffffff; ++ insn |= (relocation >> 16) & 0xffffff; ++ bfd_put_32 (input_bfd, insn, + contents + offset + endian); ++ } ++ else ++ bfd_put_16 (input_bfd, (relocation >> 16) & 0xffff, ++ contents + offset + endian); + bfd_put_16 (input_bfd, relocation & 0xffff, + contents + offset + endian + INST_WORD_SIZE); + } +@@ -1703,9 +1729,19 @@ static void + microblaze_bfd_write_imm_value_32 (bfd *abfd, bfd_byte *bfd_addr, bfd_vma val) + { + unsigned long instr = bfd_get_32 (abfd, bfd_addr); +- instr &= ~0x0000ffff; +- instr |= (val & 0x0000ffff); +- bfd_put_32 (abfd, instr, bfd_addr); ++ ++ if (instr == 0xb2000000 || instr == 0xb2ffffff) ++ { ++ instr &= ~0x00ffffff; ++ instr |= (val & 0xffffff); ++ bfd_put_32 (abfd, instr, bfd_addr); ++ } ++ else ++ { ++ instr &= ~0x0000ffff; ++ instr |= (val & 0x0000ffff); ++ bfd_put_32 (abfd, instr, bfd_addr); ++ } + } + + /* Read-modify-write into the bfd, an immediate value into appropriate fields of +@@ -1717,10 +1753,18 @@ microblaze_bfd_write_imm_value_64 (bfd * + unsigned long instr_lo; + + instr_hi = bfd_get_32 (abfd, bfd_addr); +- instr_hi &= ~0x0000ffff; +- instr_hi |= ((val >> 16) & 0x0000ffff); +- bfd_put_32 (abfd, instr_hi, bfd_addr); +- ++ if (instr_hi == 0xb2000000 || instr_hi == 0xb2ffffff) ++ { ++ instr_hi &= ~0x00ffffff; ++ instr_hi |= (val >> 16) & 0xffffff; ++ bfd_put_32 (abfd, instr_hi,bfd_addr); ++ } ++ else ++ { ++ instr_hi &= ~0x0000ffff; ++ instr_hi |= ((val >> 16) & 0x0000ffff); ++ bfd_put_32 (abfd, instr_hi, bfd_addr); ++ } + instr_lo = bfd_get_32 (abfd, bfd_addr + INST_WORD_SIZE); + instr_lo &= ~0x0000ffff; + instr_lo |= (val & 0x0000ffff); |